BUILDING MATERIALS AND ARCHITECTURAL PRODUCTS, NAMELY, DECORATIVE GLASS; GLASS FOR BUILDING; COLORED SHEET GLASS; GLASS PANELS FOR BUILDING CONSTRUCTION PURPOSES; INSULATED GLASS; INSULATING GLASS FOR WINDOWS FOR BUILDING PURPOSES; LAMINATED FLAT GLASS; SAFETY GLASS FOR BUILDING PURPOSES; FLAT GLASS, NAMELY, TEMPERED AND HEAT-STRENGTHENED GLASS PANELS FOR BUILDING CONSTRUCTION PURPOSES IMPRINTED WITH IMAGES VIA A SILKSCREEN PROCESS